Table 5.

Comparison of the Number of Pixels Change Rate ($\mathit{NPCR}$) and Unified Average Changing Intensity ($\mathit{UACI}$) of the lena, barbara, and house images with size $256\times 256$ using our proposed algorithm and other algorithms.

Cipher Algorithm	$\mathit{NPCR}$	$\mathit{UACI}$
Theoretical expected value	$99.61\%$	$33.46\%$
Proposed (lena)	$99.60\%$	$33.43\%$
Proposed (barbara)	$99.62\%$	$33.45\%$
Proposed (house)	$99.60\%$	$33.40\%$
[1] (lena)	$99.59\%$	$30.63\%$
[21] (lena)	$99.60\%$	$33.46\%$
[22] (lena)	$99.62\%$	$33.51\%$